Merge pull request #730 from Gluejar/protect-long-descriptions

protect long descriptions

core/bookloader.py

@@ -908,11 +908,16 @@ class BasePandataLoader(object):
             )
         if metadata.publisher: #always believe yaml
             edition.set_publisher(metadata.publisher)
+
         if metadata.publication_date: #always believe yaml
             edition.publication_date = metadata.publication_date
-        if metadata.description and len(metadata.description) > len(work.description):
+
         #be careful about overwriting the work description
+        if metadata.description and len(metadata.description) > len(work.description):
+            # don't over-write reasonably long descriptions
+            if len(work.description) < 500:
                 work.description = metadata.description
+
         if metadata.creator and not edition.authors.count():
             edition.authors.clear()
             for key in metadata.creator.keys():